[Android] Make PlaylistActivity searchable

[Nicolas Pomepuy]

vlc-android | branch: master | Nicolas Pomepuy <nicolas at videolabs.io> | Thu Mar 17 08:56:22 2022 +0100| [3dc22ff920004f544d4011614240da8ee52976ec] | committer: Nicolas Pomepuy

Make PlaylistActivity searchable

Fixes #2267

> https://code.videolan.org/videolan/vlc-android/commit/3dc22ff920004f544d4011614240da8ee52976ec
---

 .../main/java/org/videolan/resources/Constants.kt  |  1 +
 .../vlc-android/res/menu/playlist_option.xml       |  7 +++
 .../src/org/videolan/vlc/gui/PlaylistActivity.kt   | 61 ++++++++++++++++++++--
 .../videolan/vlc/gui/audio/AudioBrowserAdapter.kt  | 21 +++++---
 4 files changed, 78 insertions(+), 12 deletions(-)

Diff:   https://code.videolan.org/videolan/vlc-android/commit/3dc22ff920004f544d4011614240da8ee52976ec